| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [vb pp] [adv] a | 646 |
|
| 2 | had [vb pp] [adv] at | 277 |
|
| 3 | [vb pp] [adv] at a | 237 |
|
| 4 | had [vb pp] at a | 72 |
|
